UltraGauge EM v1.2 or EM Plus to MX 1.4 upgrade


This upgrade applies to any UltraGauge v1.2 or v1.4. Older EM's and Classics can not be upgraded to the MX 1.4.
To learn about the MX 1.4, please see the Ultragauge MX 1.4 product page and FAQ Page.

Once this order has been placed, please send your UltraGauge to:

UltraGauge MX Upgrade
PO BOX 196
Wilderville, OR 97543-0196

  • Send only the UltraGauge. Keep all other items such as the mounting bracket and mounts
  • Do not send a broken or mechanically damaged UltraGauge
  • Bind the cord with a twist tie.
  • Use packing peanuts or the equivalent so that UltraGauge does not move around in the box
  • Be sure that the OBDII connector is not in contact with UltraGauge.
  • Include a copy of the upgrade invoice in the box.
  • Use a minimum of packing tape to seal the box
  • Write the order # on the box.
  • Please use only USPS First Class or USPS Priority Mail. UPS and FedEx do not deliver to PO Boxes.
  • Please do not pay for a USPS signature service. There is no one to sign and the package will be returned

Upgrades require 3-5 business days to process once received.
Once complete, you will receive a return shipment alert email.

Please Choose:

Preprogramming Option

Add to Cart:

  • Model: UltraGauge_MX_1.4_Upgrade
  • 303 Units in Stock

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